SHIVA means that which is not that which is, is physical creation, that which is not is that which is not physical. If you look up in the sky you see the stars but stars are a small happening. The real thing is
the vast emptiness so this we refer to as shi-va, that which is not.
Today modern scientists are saying this vast space has a tremendous amount of energy but it is not any of the energies that are measurable by us like electromagnetic waves or weak nuclear energy or strong nuclear energy or electrical systems or microwaves, none of these things. It is none of the measurable energies but there is no denying, it is TREMENDOUSLY powerful